Military conquests of Umar's era

Umar
Family Family tree of Umar Abdullah ibn Umar (son) Zayd ibn Umar (son) Ubayd Allah ibn Umar (son) Asim ibn Umar (son) Hafsa bint Umar (Daughter)
Views Sunni view of Umar Ten Promised Paradise Shia view of Umar
Related articles Treaty of Hudaybiyya Rashidun Caliph Succession to Muhammad Umar at Fatimah's house Military conquests Reforms (Pact of Umar)
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Umar
634–644
Umar's reign reached its peak in 644.
Location	Rashidun Caliphate
Monarch(s)	Umar
Key events	Battle of Ajnadayn Battle of Yarmouk Siege of Aelia Conquest of Egypt Conquest of Armenia Conquest of Persia Battle of Nahavand
Chronology Ridda wars Uthman's military campaigns

Umar was the second Rashidun Caliph and reigned during 634–644. Umar's caliphate is notable for its vast conquests. Aided by brilliant field commanders, he was able to incorporate present-day Iraq, Iran, Azerbaijan, Armenia, Georgia, Syria, Jordan, Palestine, Lebanon, Egypt, and parts of Afghanistan, Turkmenistan and south western Pakistan into the Caliphate. During his reign, the Byzantines lost more than three fourths of their territory and in Persia, Umar became the king (ruler) of Iran after the fall of the Sassanid Empire.^[1]

Historians estimate more than 4,050 cities were conquered during the reign of Umar.^[2]

Military conquests of Umar's era are: